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The factor structure of the eating disorder examination in clinical and community samples
Author(s) -
Byrne Susan M.,
Allen Karina L.,
Lampard Amy M.,
Dove Emma R.,
Fursland Anthea
Publication year - 2010
Publication title -
international journal of eating disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.785
H-Index - 138
eISSN - 1098-108X
pISSN - 0276-3478
DOI - 10.1002/eat.20681
Subject(s) - psychology , confirmatory factor analysis , goodness of fit , factor analysis , reliability (semiconductor) , eating disorders , clinical psychology , internal consistency , sample (material) , psychometrics , structural equation modeling , factor (programming language) , statistics , mathematics , power (physics) , physics , chemistry , chromatography , quantum mechanics , computer science , programming language
Objective: To assess the factor structure of the Eating Disorder Examination (EDE) in three different samples and to compare the goodness‐of‐fit of five models of EDE data. Method: The EDE was administered to eating disordered ( n = 158), treatment‐seeking obese ( n = 170) and non‐eating disordered community‐based ( n = 329) participants. Confirmatory factor analysis was used to compare the validity of the original four‐factor EDE model with that of three‐, two‐, and one‐factor models. Results: None of the tested models provided a “good fit” to the data in any sample, with the exception of a brief one‐factor model in the eating disorder group. Estimations of internal consistency, reliability, and validity were superior for the one‐, two‐, and three‐factor models compared to the four‐factor model in all samples. Discussion: Overall, there was more support for a one‐factor model of EDE data than for a multi‐factorial model. It may be more appropriate to use Global EDE scores than individual subscale scores for research purposes. © 2009 by Wiley Periodicals, Inc. Int J Eat Disord 2010